Issue #18685: Extract template part of _sre.c into separated sre_lib.h file.
diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters
index d762f06..e1a9301 100644
--- a/PCbuild/pythoncore.vcxproj.filters
+++ b/PCbuild/pythoncore.vcxproj.filters
@@ -300,6 +300,15 @@
     <ClInclude Include="..\Modules\rotatingtree.h">
       <Filter>Modules</Filter>
     </ClInclude>
+    <ClInclude Include="..\Modules\sre.h">
+      <Filter>Modules</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Modules\sre_constants.h">
+      <Filter>Modules</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Modules\sre_lib.h">
+      <Filter>Modules</Filter>
+    </ClInclude>
     <ClInclude Include="..\Modules\_io\_iomodule.h">
       <Filter>Modules\_io</Filter>
     </ClInclude>